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TN-CSCI-GR4-95524 · v1.-2

Core Rules of Boolean Logic

Grade 4 · Computer Science · Boolean Logic · International Baccalaureate

Grade

Grade 4

Subject

Computer Science

Topic

Boolean Logic

Subtopic

Core Rules of Boolean Logic

Curriculum

International Baccalaureate

Difficulty

Mixed

Time

50 minutes

Total marks

56

Student name

Teacher name

Date

Learning objectives

  • Recognise core rules of boolean logic accurately in computer science contexts.
  • Explain the underlying rule of core rules of boolean logic in the student's own words.
  • Apply core rules of boolean logic to multi-step and unfamiliar problems.
  • Justify a chosen method and identify errors in another student's work.

Skills assessed

  • Fluency and recall
  • Method and setting out
  • Reasoning and justification
  • Problem solving in context
  • Self-assessment

Instructions

  1. Write your name, your teacher's name and the date in the header.
  2. Answer every question in the space provided. Continue on the back if needed.
  3. Show all working — method marks are awarded even when the final answer is wrong.
  4. Aim to finish in about 50 minutes.
  5. Complete the reflection box at the end before you hand the sheet in.

Warm-up

Bloom: Remember · 5 marks

Answer quickly. These check you are ready for the topic.

  1. 1.Circle one fact you already know about core rules of boolean logic.

    [1]
  2. 2.Name one fact you already know about core rules of boolean logic.

    [1]
  3. 3.State one fact you already know about core rules of boolean logic.

    [1]
  4. 4.Circle one fact you already know about core rules of boolean logic.

    [1]
  5. 5.Name one fact you already know about core rules of boolean logic.

    [1]

FreeMathWorksheet · TN-CSCI-GR4-95524 · v1.-2

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Page 1 of 5

FreeMathWorksheet · Grade 4 Computer Science

Core Rules of Boolean Logic

Recall

Bloom: Remember · 5 marks

Complete from memory. No calculator, no notes.

  1. 1.Define the key term used in core rules of boolean logic described here: item 1.

    [1]
  2. 2.Label the key term used in core rules of boolean logic described here: item 2.

    [1]
  3. 3.Define the key term used in core rules of boolean logic described here: item 3.

    [1]
  4. 4.Define the key term used in core rules of boolean logic described here: item 4.

    [1]
  5. 5.List the key term used in core rules of boolean logic described here: item 5.

    [1]

Basic Practice

Bloom: Understand · 6 marks

Work through each item. Show the step you used.

  1. 1.Match part 1 using the rule for core rules of boolean logic.

    [1]
  2. 2.Complete part 2 using the rule for core rules of boolean logic.

    [1]
  3. 3.Complete part 3 using the rule for core rules of boolean logic.

    [1]
  4. 4.Complete part 4 using the rule for core rules of boolean logic.

    [1]
  5. 5.Complete part 5 using the rule for core rules of boolean logic.

    [1]
  6. 6.Identify part 6 using the rule for core rules of boolean logic.

    [1]

FreeMathWorksheet · TN-CSCI-GR4-95524 · v1.-2

© 2026 FreeMathWorksheet. Licensed for classroom and home use. Redistribution or resale is not permitted.

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FreeMathWorksheet · Grade 4 Computer Science

Core Rules of Boolean Logic

Guided Practice

Bloom: Understand · 10 marks

The first step is given. Finish the reasoning.

  1. 1.Continue the working for part 1. Step 1 has been started for you.

    [2]
  2. 2.Continue the working for part 2. Step 1 has been started for you.

    [2]
  3. 3.Using the first step given, finish part 3. Step 1 has been started for you.

    [2]
  4. 4.Complete the method for part 4. Step 1 has been started for you.

    [2]
  5. 5.Continue the working for part 5. Step 1 has been started for you.

    [2]

Independent Practice

Bloom: Apply · 12 marks

No scaffolding. Set out your full method.

  1. 1.Work out fully part 1 on core rules of boolean logic without help.

    [2]
  2. 2.Work out fully part 2 on core rules of boolean logic without help.

    [2]
  3. 3.Work out fully part 3 on core rules of boolean logic without help.

    [2]
  4. 4.Determine part 4 on core rules of boolean logic without help.

    [2]
  5. 5.Determine part 5 on core rules of boolean logic without help.

    [2]
  6. 6.Determine part 6 on core rules of boolean logic without help.

    [2]

FreeMathWorksheet · TN-CSCI-GR4-95524 · v1.-2

© 2026 FreeMathWorksheet. Licensed for classroom and home use. Redistribution or resale is not permitted.

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FreeMathWorksheet · Grade 4 Computer Science

Core Rules of Boolean Logic

Challenge Questions

Bloom: Analyse · 12 marks

Harder items. Attempt every one, even partially.

  1. 1.Deduce the statement in part 1 about core rules of boolean logic.

    [3]
  2. 2.Deduce the statement in part 2 about core rules of boolean logic.

    [3]
  3. 3.Find and justify the statement in part 3 about core rules of boolean logic.

    [3]
  4. 4.Find and justify the statement in part 4 about core rules of boolean logic.

    [3]

Real-life Application

Bloom: Apply · 6 marks

Use the skill in context. State units in your answer.

  1. 1.Apply a real computer science situation that depends on core rules of boolean logic.

    [3]
  2. 2.In context, work out a real computer science situation that depends on core rules of boolean logic.

    [3]

FreeMathWorksheet · TN-CSCI-GR4-95524 · v1.-2

© 2026 FreeMathWorksheet. Licensed for classroom and home use. Redistribution or resale is not permitted.

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FreeMathWorksheet · Grade 4 Computer Science

Core Rules of Boolean Logic

Reflection

Bloom: Create · 0 marks

Not marked. Answer honestly — this guides your next worksheet.

  1. 1.Describe how confident you feel with core rules of boolean logic and what you will practise next.

    [—]
  2. 2.Record how confident you feel with core rules of boolean logic and what you will practise next.

    [—]

FreeMathWorksheet · TN-CSCI-GR4-95524 · v1.-2

© 2026 FreeMathWorksheet. Licensed for classroom and home use. Redistribution or resale is not permitted.

Page 5 of 5